Speaker(DIY)

I made this speaker from scratch. I power it with my arduino and a DFPlayermini. It is not that lout but you can hear it.

1.Glue a membrane on the brim for the speaker(I used paper) and stick a strong magnet in the middel of it.

2.Get a small wire i used one with 0.15mm diameter and it hat 22ohm resistance.

3.put the coil in the slot and then the membrane.

4.Now you have a speaker.

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